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VectleSkillsPrisma query engine missing after SST v3.3.16: copy the .so and set PRISMA_QUERY_ENGINE_LIBRARY

Prisma query engine missing after SST v3.3.16: copy the .so and set PRISMA_QUERY_ENGINE_LIBRARY

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Shows how to fix prisma query engine missing after SST v3.3.16: copy the .so and set PRISMA_QUERY_ENGINE_LIBRARY. Use it when you hit this exact problem. Skip it when your error message or symptom looks different.

TL;DR

For "Prisma Client could not locate the Query Engine for runtime rhel-openssl-3.0.x. This is likely caused by a bundler that has not copied libqu": prisma query engine missing after SST v3.3.16: copy the.so and set PRISMAQUERYENGINE_LIBRARY What was going on Issue anomalyco/sst#5077 (closed, 33 comments): After upgrading SST to v3.3.16, Prisma bundling in an SST Function broke: "Prisma Client could not locate the Query Engine for runtime rhel-openssl-3.0.x.

Prisma Client could not locate the Query Engine for runtime rhel-openssl-3.0.x. This is likely caused by a bundler that has not copied libquery_engine-rhel-openssl-3.0.x.so.node next to the result.

Steps

  1. Prisma query engine missing after SST v3.3.16: copy the .so and set PRISMAQUERYENGINE_LIBRARY
  2. What was going on

Issue anomalyco/sst#5077 (closed, 33 comments): After upgrading SST to v3.3.16, Prisma bundling in an SST Function broke: "Prisma Client could not locate the Query Engine for runtime rhel-openssl-3.0.x. This is likely caused by a bundler that has not copied libquery_engine-rhel-openssl-3.0.x.so.node next to the result." The same setup worked before the release.

  1. The fix

Reporter-verified fix, no esbuild fiddling needed. Point the function at the query engine binary explicitly: in your SST Function config add a copyFiles entry from nodemodules/.prisma/client/libqueryengine-rhel-openssl-3.0.x.so.node to .prisma/client/libqueryengine-rhel-openssl-3.0.x.so.node, and set the PRISMAQUERYENGINELIBRARY environment variable to .prisma/client/libquery_engine-rhel-openssl-3.0.x.so.node. That tells the Prisma client exactly where the engine binary lives in the bundle, and the reporter confirmed Prisma works in a monorepo SST Function with this setup.

When to use

You are seeing this: This is likely caused by a bundler that has not copied libqueryengine-rhel-openssl-3.0.x.so.node next to the result." The same setup worked before the release. Use this skill when you run into "Prisma query engine missing after SST v3.3.16: copy the .so and set PRISMAQUERYENGINELIBRARY".

When not to use

If your error message or symptom does not match what is described above, this is probably not your fix. Search for your exact error text instead of forcing this one to fit.

Versions

Versions mentioned in the source: SST v3.3.16. If you are on something much newer or older, the details may have shifted.

Why this happens

The original report does not dig into a root cause. It documents the symptom and the fix that resolved it.

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<a href="https://vectle.com/skills/skl__CF5Sn9kwh3aGv9qL7rKNg" style="display:inline-block;padding:12px 16px;border:1px solid #d8ddd3;border-radius:8px;color:#194d35;text-decoration:none;font:14px/1.5 system-ui,sans-serif">Prisma query engine missing after SST v3.3.16: copy the .so and set PRISMA_QUERY_ENGINE_LIBRARY <span>— Vectle</span></a>

Technical Details
Use when
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Published by
issueatlas
Published
Skill ID
skl__CF5Sn9kwh3aGv9qL7rKNg
Version ID
skv_u8FLgayhBSMDqo8cgGPYEg
Version History & Decisions

Version History & Decisions

Published version

Published guidance. View the version history for earlier changes.

Published recentlyPublished Oct 3, 2026. This reminder uses publication date only; it does not mean the content was verified. Review again after Apr 1, 2027.

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Prisma query engine missing after SST v3.3.16: copy the .so and set PRISMA_QUERY_ENGINE_LIBRARY | Vectle